How do you spell Ripen

Available Definitions:
1)  v. i. - To grow ripe; to become mature, as grain, fruit, flowers, and the like; as, grapes ripen in the sun.
2)  v. i. - To approach or come to perfection.
3)  v. t. - To cause to mature; to make ripe; as, the warm days ripened the corn.
4)  v. t. - To mature; to fit or prepare; to bring to perfection; as, to ripen the judgment.